Practical Pleated Air Filter (2-Pack) - 9" x 11" x 5" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

such as dust

The permanent frame is constructed of space-age plastics that are resistant to corrosion

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

if not you can measure it or check the HVAC unit and the owner‰۪s manual

Practical Pleated Air Filter (2-Pack) - 9" x 11" x 5" Quantity:Default the A+2000 uses stage loadingYes, we even have the odd sizes! The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters. In general, the more efficient a filter is at removing particles, the greater it's resistance to airflow, and the greater the pressure drop it creates. One way to overcome this problem is to increase the surface area of the filter media. The "Practical Pleat" contains over 500% greater surface